Biology Now
Biology Now
1st Edition
ISBN: 9780393918922
Author: Anne Houtman, Megan Scudellari, Cindy Malone, Anu Singh-Cundy
Publisher: W. W. Norton & Company
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Chapter 5, Problem 9TQ

(a)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present at the end of the G0 phase in a cat skin cell?

Introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

(b)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present at the end of the G1 phase in a cat skin cell?

Introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

(c)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present at the end of the S phase in a cat skin cell?

Introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

(d)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present at the end of the G2 phase in a cat skin cell?

Introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY